diff options
Diffstat (limited to 'scripts/chandra_xpeak_coord.sh')
| -rwxr-xr-x | scripts/chandra_xpeak_coord.sh | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/scripts/chandra_xpeak_coord.sh b/scripts/chandra_xpeak_coord.sh new file mode 100755 index 0000000..8b0644a --- /dev/null +++ b/scripts/chandra_xpeak_coord.sh @@ -0,0 +1,222 @@ +#!/bin/sh +# +########################################################### +## get the coord of the X-ray peak in given evt file ## +## 1) given `evt_clean' file ## +## 2) `aconvolve' and then `dmstat' ## +## 3) `dmcoords' convert `sky x, y' to `ra, dec' ## +## ## +## NOTES: ## +## support ACIS-I(chip: 0-3) and ACIS-S(chip: 7) ## +## determine by check `DETNAM' for chip number ## +## if `DETNAM' has `0123', then `ACIS-I' ## +## if `DETNAM' has `7', then `ACIS-S' ## +## ## +## LIweitiaNux <liweitianux@gmail.com> ## +## November 8, 2012 ## +########################################################### + +########################################################### +## ChangeLogs: +## v1.1, 2012/11/08, LIweitiaNux +## get x-ray peak coord from given region file +########################################################### + +## about, used in `usage' {{{ +VERSION="v1.1" +UPDATE="2012-11-08" +## about }}} + +## error code {{{ +ERR_USG=1 +ERR_DIR=11 +ERR_EVT=12 +ERR_BKG=13 +ERR_REG=14 +ERR_ASOL=21 +ERR_BPIX=22 +ERR_PBK=23 +ERR_MSK=24 +ERR_BKGTY=31 +ERR_SPEC=32 +ERR_DET=41 +## error code }}} + +## usage, help {{{ +case "$1" in + -[hH]*|--[hH]*) + printf "usage:\n" + printf " `basename $0` evt=<evt_cl> asol=<asol> [ reg=<reg> chip=<chip> ]\n" + printf "\nversion:\n" + printf "${VERSION}, ${UPDATE}\n" + exit ${ERR_USG} + ;; +esac +## usage, help }}} + +## default parameters {{{ +# default `evt clean file' +DFT_EVT="`ls evt*clean.fits *clean*evt*.fits 2> /dev/null | head -n 1`" +# default `asol file' +DFT_ASOL="`ls ../pcadf*_asol1.fits pcadf*_asol1.fits 2> /dev/null | head -n 1`" +# default region file +DFT_REG="`ls sbprofile.reg rspec.reg 2> /dev/null | head -n 1`" +## default parameters }}} + +## functions {{{ +# process commandline arguments +# cmdline arg format: `KEY=VALUE' +getopt_keyval() { + until [ -z "$1" ] + do + key=${1%%=*} # extract key + val=${1#*=} # extract value + keyval="${key}=\"${val}\"" + echo "## getopt: eval '${keyval}'" + eval ${keyval} + shift # shift, process next one + done +} +## functions }}} + +## parameters {{{ +# process cmdline args using `getopt_keyval' +getopt_keyval "$@" + +## check given parameters +# check evt file +if [ -r "${evt}" ]; then + EVT=${evt} +elif [ -r "${DFT_EVT}" ]; then + EVT=${DFT_EVT} +else + read -p "evt clean file: " EVT + if ! [ -r "${EVT}" ]; then + printf "ERROR: cannot access given \`${EVT}' evt file\n" + exit ${ERR_EVT} + fi +fi +printf "## use evt file: \`${EVT}'\n" + +# asol +if [ ! -z "${asol}" ]; then + ASOL=${asol} +elif [ -r "${DFT_ASOL}" ]; then + ASOL=${DFT_ASOL} +else + read -p "asol file: " ASOL + if ! [ -r "${ASOL}" ]; then + printf "ERROR: cannot access given \`${ASOL}' asol file\n" + exit ${ERR_ASOL} + fi +fi +printf "## use asol file: \`${ASOL}'\n" + +# region file (optional) +if [ ! -z "${reg}" ]; then + REG=${reg} +else + REG=${DFT_REG} +fi +printf "## use reg file: \`${REG}'\n" + +# determine chip +if [ ! -z "${chip}" ]; then + CHIP="${chip}" + printf "## use chip: \`${CHIP}'\n" +else + # determine chip by ACIS type + punlearn dmkeypar + DETNAM=`dmkeypar ${EVT} DETNAM echo=yes` + if echo ${DETNAM} | grep -q 'ACIS-0123'; then + printf "## \`DETNAM' (${DETNAM}) has chips 0123\n" + printf "## ACIS-I\n" + ACIS_TYPE="ACIS-I" + CHIP="0:3" + elif echo ${DETNAM} | grep -q 'ACIS-[0-6]*7'; then + printf "## \`DETNAM' (${DETNAM}) has chip 7\n" + printf "## ACIS-S\n" + ACIS_TYPE="ACIS-S" + CHIP="7" + else + printf "ERROR: unknown detector type: ${DETNAM}\n" + exit ${ERR_DET} + fi +fi +## parameters }}} + +## main part {{{ +# generate `skyfov' +SKYFOV="_skyfov.fits" +printf "generate skyfov: \`${SKYFOV}' ...\n" +punlearn skyfov +skyfov infile="${EVT}" outfile="${SKYFOV}" clobber=yes + +# generate image +# energy range: 500-7000 eV +E_RANGE="500:7000" +IMG="img_c`echo ${CHIP} | tr ':' '-'`_e`echo ${E_RANGE} | tr ':' '-'`.fits" +printf "generate image: \`${IMG}' ...\n" +punlearn dmcopy +dmcopy infile="${EVT}[sky=region(${SKYFOV}[ccd_id=${CHIP}])][energy=${E_RANGE}][bin sky=::1]" outfile="${IMG}" clobber=yes + +# aconvolve +IMG_ACONV="${IMG%.fits}_aconv.fits" +KERNELSPEC="lib:gaus(2,5,1,10,10)" +METHOD="fft" +printf "\`aconvolve' to smooth img: \`${IMG_ACONV}' ...\n" +printf "## aconvolve: kernelspec=\"${KERNELSPEC}\" method=\"${METHOD}\"\n" +punlearn aconvolve +aconvolve infile="${IMG}" outfile="${IMG_ACONV}" kernelspec="${KERNELSPEC}" method="${METHOD}" clobber=yes + +# dmstat +printf "\`dmstat' to analyze the img ...\n" +punlearn dmstat +dmstat infile="${IMG_ACONV}" +MAX_X=`pget dmstat out_max_loc | cut -d',' -f1` +MAX_Y=`pget dmstat out_max_loc | cut -d',' -f2` +# dmcoords to convert (x,y) to (ra,dec) +printf "\`dmcoords' to convert (x,y) to (ra,dec) ...\n" +punlearn dmcoords +dmcoords infile="${EVT}" asolfile="${ASOL}" option=sky x=${MAX_X} y=${MAX_Y} +MAX_RA=`pget dmcoords ra` +MAX_DEC=`pget dmcoords dec` + +# output results +PHY_REG="peak_phy.reg" +WCS_REG="peak_wcs.reg" +[ -e "${PHY_REG}" ] && mv -f ${PHY_REG} ${PHY_REG}_bak +[ -e "${WCS_REG}" ] && mv -f ${WCS_REG} ${WCS_REG}_bak +echo "point(${MAX_X},${MAX_Y})" > ${PHY_REG} +echo "point(${MAX_RA},${MAX_DEC})" > ${WCS_REG} + +printf "\n" +printf "++++++++++++++++++++++++++++++++++++++++++++\n" +printf "X-ray peak coordinates:\n" +printf "via dmstat:\n" +printf " (X,Y): (${MAX_X},${MAX_Y})\n" +printf " (RA,DEC): (${MAX_RA},${MAX_DEC})\n" + +## region file based {{{ +if [ -r "${REG}" ]; then + MAX_X2=`grep -iE '(pie|annulus)' ${REG} | head -n 1 | tr -d 'a-zA-Z()' | awk -F',' '{ print $1 }'` + MAX_Y2=`grep -iE '(pie|annulus)' ${REG} | head -n 1 | tr -d 'a-zA-Z()' | awk -F',' '{ print $2 }'` + punlearn dmcoords + dmcoords infile="${EVT}" asolfile="${ASOL}" option=sky x=${MAX_X2} y=${MAX_Y2} + MAX_RA2=`pget dmcoords ra` + MAX_DEC2=`pget dmcoords dec` + # calc offset + OFFSET=`echo "scale=5; sqrt((${MAX_X}-${MAX_X2})^2 + (${MAX_Y}-${MAX_Y2})^2)" | bc -l` + + printf "via region:\n" + printf " (X2,Y2): (${MAX_X2},${MAX_Y2})\n" + printf " (RA2,DEC2): (${MAX_RA2},${MAX_DEC2})\n" + printf "offset (unit pixel):\n" + printf " offset: ${OFFSET}\n" +fi +## region file }}} +printf "++++++++++++++++++++++++++++++++++++++++++++\n" +## main }}} + +exit 0 + |